quartz

Quartz is a relatively well-known gemstone, with many types and quantities in circulation. It is broadly classified into two types: transparent to translucent single crystal and translucent to opaque polycrystal. Single crystal stones include amethyst, citrine, and rose quartz, while polycrystalline stones include chalcedony, agate, and jasper. Many contain other minerals and liquids as inclusions.

Karatz GemMagazine
" quartz "

Brazilian dendritic quartz 3.300ct loose Sale price¥6,980

【12548939掲載】マダガスカル産ラズライトインクォーツ 1.600ctルース

Lazurite in quartz from Madagascar 7.5mm/1.600ct loose Sale price¥18,800

【12548938掲載】マダガスカル産ラズライトインクォーツ 1.090ctルース

Lazurite in quartz from Madagascar 1.090ct loose Sale price¥14,800

【12548937掲載】マダガスカル産ラズライトインクォーツ 0.990ctルース

Lazurite in quartz from Madagascar 0.990ct loose Sale price¥14,800

【スターインカット】ティンカーベルクォーツ（ピンクファイヤークォーツ） 6mm/0.546ctルース

[Star in cut] Tinkerbell quartz (pink fire quartz) 6mm/0.546ct loose Sale price¥45,800

《Limited to 6 stones》 1 stone loose green quartz from Brazil (8mm, concave cut) 《Discount available for multiple purchases》 Sale price¥3,980

マダガスカル産オイルインクォーツ1石ルース（近年発見の新しい産地,平均28ct）《複数購入割引有》

[Limited to 7 stones] 1 loose oil-in-quartz stone from Madagascar (new locality discovered in recent years, average 28ct) [Multiple purchase discounts available] Sale price¥8,800

[Mr. Sanjay] Pakistani oil-in quartz 0.651ct loose Sale price¥9,800

Pakistani oil-in quartz 0.595ct loose Sale price¥8,800

[Mr. Sanjay] Pakistani oil-in quartz 0.443ct loose Sale price¥6,980

Pakistani oil-in quartz 0.427ct loose (type with moving bubbles) Sale price¥9,800

[Sakura in-cut] Lavender quartz (scorolite) 8mm/ 2.161ct loose Sale price¥19,800

Oil-in-quartz 24.653ct rough stone from Madagascar Sale price¥9,800

Oil-in-quartz 23.043ct rough stone from Madagascar Sale price¥12,800

Oil-in-quartz 31.973ct rough stone from Madagascar Sale price¥12,800

Oil-in-quartz 30.677ct rough stone from Madagascar Sale price¥12,800

[Mr. Sanjay] Lepidocrocite in quartz 1.155ct loose Sale price¥6,980

[Mr. Sanjay] Lepidocrocite in quartz 0.797ct loose Sale price¥6,980

[Mr. Sanjay] Lepidocrocite in quartz 0.644ct loose Sale price¥6,980

Brazilian dumortierite in quartz 6mm/0.852ct loose Sale price¥12,800

【甲州貴石切子plusthree】ダルメシアンクォーツ 70.155ctルース《コラボ》ワッペン付

[Koshu precious stone Kiriko plusthree] Dalmatian quartz 70.155ct loose "Collaboration" with patch Sale price¥59,800

[Konpeito cut] Lavender quartz (scolite) 3.393ct loose Sale price¥22,800

Brazilian red aventurine quartz 14.150ct loose with patch Sale price¥9,800

Strawberry quartz from Kazakhstan 0.977ct loose Sale price¥7,980

Strawberry quartz from Kazakhstan 0.803ct loose Sale price¥6,980

《Yurakucho Marui 2024112 takeout》Kazakhstan strawberry quartz 1.613ct loose stone Sale price¥12,800

Strawberry quartz from Kazakhstan 0.642ct loose Sale price¥5,980

Strawberry quartz from Kazakhstan 0.773ct loose Sale price¥6,980

Strawberry quartz from Kazakhstan 1.031ct loose Sale price¥8,800

《Yurakucho Marui 2024112 takeout》Kazakhstan strawberry quartz 0.815ct loose stone Sale price¥6,980

Strawberry quartz from Kazakhstan 0.915ct loose Sale price¥6,980

《Yurakucho Marui 2024112 takeout》Kazakhstan strawberry quartz 1.536ct loose stone Sale price¥12,800

Brazilian dumortierite in quartz 0.669ct loose Sale price¥9,800

Brazilian dumortierite in quartz 0.731ct loose Sale price¥8,800

Brazilian dumortierite in quartz 0.496ct loose Sale price¥6,580

Brazilian dumortierite in quartz 0.506ct loose Sale price¥7,980

Brazilian dumortierite in quartz 0.309ct loose Sale price¥4,980

[Mr. Sanjay] Copper rutilated quartz 1.065ct loose Sale price¥5,980

[Mr. Sanjay] Copper rutilated quartz 1.135ct loose Sale price¥5,980

[Mr. Sanjay] Copper rutilated quartz 1.165ct loose Sale price¥5,980

[Mr. Sanjay] Copper rutilated quartz 1.747ct loose Sale price¥6,980

ブラジル産ティンカーベルクォーツ（ピンクファイヤークォーツ） 5.226ctルース

Brazilian Tinkerbell Quartz (Pink Fire Quartz) 5.226ct loose Sale price¥15,800

ブラジル産ティンカーベルクォーツ（ピンクファイヤークォーツ） 3.746ctルース

Brazilian Tinkerbell Quartz (Pink Fire Quartz) 3.746ct loose Sale price¥13,800

ブラジル産ティンカーベルクォーツ（ピンクファイヤークォーツ） 3.089ctルース

Brazilian Tinkerbell Quartz (Pink Fire Quartz) 3.089ct loose Sale price¥11,000

ブラジル産ティンカーベルクォーツ（ピンクファイヤークォーツ） 4.626ctルース

Brazilian Tinkerbell Quartz (Pink Fire Quartz) 4.626ct loose Sale price¥16,800

Lazurite in quartz 0.959ct loose Sale price¥29,800

Lazurite in quartz 0.877ct loose Sale price¥25,800

Lazurite in quartz 0.353ct loose Sale price¥9,800

KARATZ Custom Made

Why not take your favorite gemstone that you found at KARATZ and have it made into custom-made jewelry? It will be made by skilled Japanese craftsmen.
We carefully craft each piece of jewelry, starting with the stone setting, to match the individual characteristics of the gemstone.

The fifth reprint has been decided and is now on sale at bookstores nationwide and online.

Written by KARATZ, book “Jewelry Illustrated Book”

The book provides explanations about over 300 types of gemstones, from new standard birthstones to rare stones that are hard to find, as well as a diary of our company representative, Mr. Koyama's, gemstone shopping experience in Thailand and Sri Lanka, and tips for photographing gemstones, allowing you to learn about the appeal of gemstones from various perspectives.

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